BENEDICKS, M. The support of functions and distributions with a spectral gap. MATHEMATICA SCANDINAVICA, [S. l.], v. 55, p. 285–309, 1984. DOI: 10.7146/math.scand.a-12082. Disponível em: https://www.mscand.dk/article/view/12082. Acesso em: 27 apr. 2024.